pair,contact1,contact2,flow1,flow2 6wru_X_,1,4,1,1 6wru_X_,8,11,1,1 6wru_X_,19,20,1,1 6wru_X_,19,26,1,1 6wru_X_,21,24,1,1 6wru_X_,22,25,1,1 6wru_X_,24,26,1,1 6wru_X_,25,26,1,1 6wru_X_,26,30,1,1 6wru_X_,28,29,1,1 6wru_X_,29,32,1,1 6wru_X_,36,39,1,1 6wru_X_,56,59,1,1 6wru_X_,74,107,1,1 6wru_X_,74,109,1,1 6wru_X_,76,109,1,1 6wru_X_,76,111,1,1 6wru_X_,78,81,1,1 6wru_X_,79,82,1,1 6wru_X_,82,115,1,1 6wru_X_,82,118,1,1 6wru_X_,84,118,1,1 6wru_X_,85,88,1,1 6wru_X_,86,119,1,1 6wru_X_,87,88,1,1 6wru_X_,87,119,1,1 6wru_X_,90,121,1,1 6wru_X_,90,123,1,1 6wru_X_,91,95,1,1 6wru_X_,93,96,1,1 6wru_X_,93,97,1,1 6wru_X_,94,98,1,1 6wru_X_,95,101,1,1 6wru_X_,108,125,1,1 6wru_X_,108,126,1,1 6wru_X_,110,126,1,1 6wru_X_,110,128,1,1 6wru_X_,124,143,1,1 6wru_X_,128,131,1,1 6wru_X_,128,132,1,1 6wru_X_,131,135,1,1 6wru_X_,132,136,1,1 6wru_X_,133,137,1,1